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    <p>Hi Edgar,</p>
    <p>Thanks a lot for that information. That makes things a lot
      clearer.</p>
    <p>Cheers,</p>
    <p>Tim<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 14/07/17 09:46, Edgar Olougouna
      wrote:<br>
    </div>
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      <div class="WordSection1">
        <p class="MsoNormal"
          style="line-height:12.0pt;word-break:break-all">Tim,<o:p></o:p></p>
        <p class="MsoNormal"
          style="line-height:12.0pt;word-break:break-all">Thank you for
          your clarification. I see your concern regarding a hanging
          link to an unknown object.
          <o:p></o:p></p>
        <p class="MsoNormal"
          style="line-height:12.0pt;word-break:break-all">Please find
          Section references in MS-ADTS and a link to a blog post on AD
          internals that might help. The key point is that a linked
          attribute needs to reference a physical object in the
          database. However, attribute values may reference objects in
          an NC for which no NC replica is present on the local server.
          <o:p></o:p></p>
        <p class="MsoNormal">When you have a valid dsname and the
          referenced object does not exist in the local data table, the
          implementation creates a valued representation of the object,
          commonly called phantom record, and
          <span lang="EN">the database identifier of that record is used
            in lieu of </span>
          an actual object in the local database. This is an
          implementation-specific way of managing references to objects
          which the local server does not hold a replica.
          <span style="color:windowtext"><o:p></o:p></span></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"
          style="line-height:12.0pt;word-break:break-all">After source
          code review, the algorithms in “[MS-DRSR] 4.1.10.6.1
          ProcessGetNCChangesReply, and 4.1.10.6.14 ProcessLinkValue”
          appear to reflect Windows implementation.<o:p></o:p></p>
        <p class="MsoNormal"
          style="line-height:12.0pt;word-break:break-all">Think of the
          DRS_GET_TGT in case we failed to apply the update because we
          had a recycled target, the client asks again for that packet
          to include updates to the link target.
          <o:p></o:p></p>
        <p class="MsoNormal"
          style="line-height:12.0pt;word-break:break-all"><o:p> </o:p></p>
        <p class="MsoNormal"
          style="line-height:12.0pt;word-break:break-all">“Reference
          update” is one of the background tasks described in MS-ADTS
          3.1.1.6.2 (see link and related Sections). It helps update
          references, including when an object in the
          <span lang="EN">NC replica not present on the server is
            modified or deleted.</span><span style="color:windowtext"><o:p></o:p></span></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">NOTE: I found the following blog
          resourceful as it describes some AD internals on tables
          implemented in Windows AD. Note that the blog provides
          implementation-specific details.
          <o:p></o:p></p>
        <p class="MsoNormal">MCM: Core Active Directory Internals<o:p></o:p></p>
        <p class="MsoNormal"><a
href="https://blogs.technet.microsoft.com/askpfeplat/2012/07/22/mcm-core-active-directory-internals/"
            moz-do-not-send="true">https://blogs.technet.microsoft.com/askpfeplat/2012/07/22/mcm-core-active-directory-internals/</a><o:p></o:p></p>
        <p><o:p> </o:p></p>
        <p class="MsoNormal"><b>[MS-ADTS]<o:p></o:p></b></p>
        <p class="MsoNormal"><b><span lang="EN">3.1.1.6.2 Reference
              Update </span></b><a
            href="https://msdn.microsoft.com/en-us/library/dd240022.aspx"
            moz-do-not-send="true">https://msdn.microsoft.com/en-us/library/dd240022.aspx</a><b><span
              lang="EN"><o:p></o:p></span></b></p>
        <p><strong><span
              style="font-family:"Calibri",sans-serif"
              lang="EN">References</span></strong><span lang="EN"><o:p></o:p></span></p>
        <ul type="disc">
          <li style="margin-left:0in;mso-list:l0 level1 lfo2"><span
              lang="EN">Variable: </span>
            <a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_4d5e1f08-aa00-4dde-9411-7dd6e09ed85a"
              moz-do-not-send="true"><span lang="EN">dsname</span></a><span
              lang="EN"><o:p></o:p></span></li>
          <li style="margin-left:0in;mso-list:l0 level1 lfo2"><span
              lang="EN">LDAP attributes:
            </span><a
              href="https://msdn.microsoft.com/en-us/library/cc219845.aspx"
              moz-do-not-send="true"><span lang="EN">dNReferenceUpdate</span></a><span
              lang="EN">.<o:p></o:p></span></li>
          <li style="margin-left:0in;mso-list:l0 level1 lfo2"><span
              lang="EN">LDAP classes:
            </span><a
              href="https://msdn.microsoft.com/en-us/library/cc221881.aspx"
              moz-do-not-send="true"><span lang="EN">infrastructureUpdate</span></a><span
              lang="EN">.<o:p></o:p></span></li>
          <li style="margin-left:0in;mso-list:l0 level1 lfo2"><span
              lang="EN">Glossary terms: dsname, Infrastructure FSMO
              master,
            </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_325d116f-cdbe-4dbd-b7e6-769ba75bf210"
              moz-do-not-send="true"><span lang="EN">NC replica</span></a><span
              lang="EN">,
            </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_9d8e0963-13fa-4e19-a97f-7ce6bc90d20f"
              moz-do-not-send="true"><span lang="EN">tombstone</span></a><span
              lang="EN">, GC.<o:p></o:p></span></li>
          <li style="margin-left:0in;mso-list:l0 level1 lfo2"><span
              lang="EN">IDL_DRSVerifyNames method: see
            </span><a
              href="https://msdn.microsoft.com/en-us/library/cc228086.aspx"
              moz-do-not-send="true"><span lang="EN">[MS-DRSR]</span></a><span
              lang="EN"> section
            </span><a
              href="https://msdn.microsoft.com/en-us/library/dd207886.aspx"
              moz-do-not-send="true"><span lang="EN">4.1.27</span></a><span
              lang="EN">.<o:p></o:p></span></li>
          <li style="margin-left:0in;mso-list:l0 level1 lfo2"><span
              lang="EN">Well-known Objects<o:p></o:p></span></li>
        </ul>
        <p><span lang="EN">In </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_2e72eeeb-aee9-4b0a-adc6-4476bacf5024"
            moz-do-not-send="true"><span lang="EN">AD DS</span></a><span
            lang="EN">,
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_108a1419-49a9-4d19-b6ca-7206aa726b3f"
            moz-do-not-send="true"><span lang="EN">attributes</span></a><span
            lang="EN"> of
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_811ea26f-62cc-472e-9aca-9448831f16d8"
            moz-do-not-send="true"><span lang="EN">attribute syntax</span></a><span
            lang="EN"> Object (DS-DN), Object(DN-String),
            Object(DN-Binary), Object(Access-Point) and Object(OR-Name)
            can have attribute values that reference </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_8bb43a65-7a8c-4585-a7ed-23044772f8ca"
            moz-do-not-send="true"><span lang="EN">objects</span></a><span
            lang="EN"> in an
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_784c7cce-f782-48d8-9444-c9030ba86942"
            moz-do-not-send="true"><span lang="EN">NC</span></a><span
            lang="EN"> for which no NC replica is present on the server.
            The server does not get a
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_2a923099-db0a-4932-af28-4354601e85c4"
            moz-do-not-send="true"><span lang="EN">replicated update</span></a><span
            lang="EN"> when an object in the NC replica not present on
            the server is modified or deleted. In such a case,
            references to such objects will remain to an old dsname on
            the server. In order to
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_b242435b-73cc-4c4e-95f0-b2a2ff680493"
            moz-do-not-send="true"><span lang="EN">update</span></a><span
            lang="EN"> these kinds of references, a background task
            called reference update is run at regular intervals. By
            default, each reference is examined every two days.<o:p></o:p></span></p>
        <p><span lang="EN">The reference update task is not run on a
            Global Catalog.<o:p></o:p></span></p>
        <p><span lang="EN">If the </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_54624800-58f4-45e9-90bf-c9b52dcf98f3"
            moz-do-not-send="true"><span lang="EN">Recycle Bin</span></a>
          <a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_785b66f1-22b3-450f-97aa-a24a39d04d47"
            moz-do-not-send="true">
            <span lang="EN">optional feature</span></a><span lang="EN">
            is not enabled and the Infrastructure FSMO master is not a
            global catalog, then the reference update task is run only
            on the Infrastructure FSMO master.<o:p></o:p></span></p>
        <p><span lang="EN">If the Recycle Bin optional feature is
            enabled, every </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_76a05049-3531-4abd-aec8-30e19954b4bd"
            moz-do-not-send="true"><span lang="EN">DC</span></a><span
            lang="EN"> that is not also a global catalog runs the
            reference update task.<o:p></o:p></span></p>
        <p><span lang="EN">The reference update task does processing as
            follows: <o:p></o:p></span></p>
        <p><span lang="EN">For each object <em><span
                style="font-family:"Calibri",sans-serif">P</span></em>
            in each NC replica on the server do the following:<o:p></o:p></span></p>
        <ul type="disc">
          <li style="margin-left:0in;mso-list:l2 level1 lfo3"><span
              lang="EN">Let <em><span
                  style="font-family:"Calibri",sans-serif">S</span></em>
              be the set of all attributes of
              <em><span
                  style="font-family:"Calibri",sans-serif">P</span></em>
              with attribute syntax Object(DS-DN), Object(DN-String),
              Object(DN-Binary), Object(OR-Name) and
              Object(Access-Point).<o:p></o:p></span></li>
          <li style="margin-left:0in;mso-list:l2 level1 lfo3"><span
              lang="EN">For each attribute
              <em><span
                  style="font-family:"Calibri",sans-serif">A</span></em>
              in set <em><span
                  style="font-family:"Calibri",sans-serif">S</span></em>
              and for each value
              <em><span
                  style="font-family:"Calibri",sans-serif">V</span></em>
              of <em><span
                  style="font-family:"Calibri",sans-serif">A</span></em>
              do the following:<o:p></o:p></span>
            <ul type="circle">
              <li style="margin-left:0in;mso-list:l2 level2 lfo3"><span
                  lang="EN">If there exists an object with dsname
                  <em><span
                      style="font-family:"Calibri",sans-serif">V</span></em>
                  in any NC replica on this DC, then skip this value
                  <em><span
                      style="font-family:"Calibri",sans-serif">V</span></em>.<o:p></o:p></span></li>
              <li style="margin-left:0in;mso-list:l2 level2 lfo3"><span
                  lang="EN">If attribute syntax of
                  <em><span
                      style="font-family:"Calibri",sans-serif">A</span></em>
                  is Object(DS-DN) then let
                  <em><span
                      style="font-family:"Calibri",sans-serif">G</span></em>
                  be <em><span
                      style="font-family:"Calibri",sans-serif">P.A.V.guid_value</span></em>.
                  Let
                  <em><span
                      style="font-family:"Calibri",sans-serif">D</span></em>
                  be <em><span
                      style="font-family:"Calibri",sans-serif">P.A.V.dn</span></em>.<o:p></o:p></span></li>
              <li style="margin-left:0in;mso-list:l2 level2 lfo3"><span
                  lang="EN">Otherwise, let
                  <em><span
                      style="font-family:"Calibri",sans-serif">G</span></em>
                  be <em><span
                      style="font-family:"Calibri",sans-serif">P.A.V.object_DN.guid_value</span></em>.
                  Let
                  <em><span
                      style="font-family:"Calibri",sans-serif">D</span></em>
                  be <em><span
                      style="font-family:"Calibri",sans-serif">P.A.object_DN.dn</span></em>.<o:p></o:p></span></li>
              <li style="margin-left:0in;mso-list:l2 level2 lfo3"><span
                  lang="EN">If the Recycle Bin optional feature is not
                  enabled:<o:p></o:p></span>
                <ul type="square">
                  <li style="margin-left:0in;mso-list:l2 level3 lfo3"><span
                      lang="EN">Retrieve the dsname
                      <em><span
                          style="font-family:"Calibri",sans-serif">N</span></em>
                      of object with </span>
                    <a
                      href="https://msdn.microsoft.com/en-us/library/cc221017.aspx"
                      moz-do-not-send="true"><span lang="EN">objectGUID</span></a>
                    <em><span
                        style="font-family:"Calibri",sans-serif"
                        lang="EN">G</span></em><span lang="EN"> from a
                      GC by calling method IDL_DRSVerifyNames.
                      IDL_DRSVerifyNames is explained in [MS-DRSR]
                      section 4.1.27.<o:p></o:p></span></li>
                  <li style="margin-left:0in;mso-list:l2 level3 lfo3"><span
                      lang="EN">If <em><span
                          style="font-family:"Calibri",sans-serif">N</span></em>!</span><a
href="https://msdn.microsoft.com/en-us/library/cc220701.aspx"
                      moz-do-not-send="true"><span lang="EN">name</span></a><span
                      lang="EN"> ≠
                      <em><span
                          style="font-family:"Calibri",sans-serif">D</span></em>
                      then create an infrastructureUpdate object
                      <em><span
                          style="font-family:"Calibri",sans-serif">I</span></em>
                      in the well-known infrastructure update
                    </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_c3143e71-2ada-417e-83f4-3ef10eff2c56"
                      moz-do-not-send="true"><span lang="EN">container</span></a><span
                      lang="EN"> (see section
                    </span><a
                      href="https://msdn.microsoft.com/en-us/library/cc223663.aspx"
                      moz-do-not-send="true"><span lang="EN">6.1.1.4</span></a><span
                      lang="EN">). Set
                      <em><span
                          style="font-family:"Calibri",sans-serif">I</span></em>!dNReferenceUpdate
                      to
                      <em><span
                          style="font-family:"Calibri",sans-serif">N</span></em>.
                      Delete <em><span
                          style="font-family:"Calibri",sans-serif">I</span></em>
                      immediately to turn it to a tombstone.<o:p></o:p></span></li>
                </ul>
              </li>
            </ul>
          </li>
        </ul>
        <p style="margin-left:1.5in"><span lang="EN">Creation of an
            infrastructureUpdate object
            <em><span style="font-family:"Calibri",sans-serif">K</span></em>
            with attribute dNReferenceUpdate will trigger an update of
            all references to dsnames corresponding to
            <em><span style="font-family:"Calibri",sans-serif">K</span></em>!dNReferenceUpdate,
            as explained in section
          </span><a
            href="https://msdn.microsoft.com/en-us/library/cc223446.aspx"
            moz-do-not-send="true"><span lang="EN">3.1.1.5.2.4</span></a><span
            lang="EN">.<o:p></o:p></span></p>
        <ul type="disc">
          <ul type="circle">
            <li style="margin-left:0in;mso-list:l2 level2 lfo3"><span
                lang="EN">If the Recycle Bin optional feature is
                enabled:<o:p></o:p></span>
              <ul type="square">
                <li style="margin-left:0in;mso-list:l2 level3 lfo3"><span
                    lang="EN">Retrieve the dsname
                    <em><span
                        style="font-family:"Calibri",sans-serif">N</span></em>
                    and the value <em>
                      <span
                        style="font-family:"Calibri",sans-serif">Vgc</span></em>
                    of the </span><a
                    href="https://msdn.microsoft.com/en-us/library/dd357315.aspx"
                    moz-do-not-send="true"><span lang="EN">isRecycled</span></a><span
                    lang="EN"> attribute of object with objectGUID
                    <em><span
                        style="font-family:"Calibri",sans-serif">G</span></em>
                    from a GC by calling method IDL_DRSVerifyNames.
                    IDL_DRSVerifyNames is explained in [MS-DRSR] section
                    4.1.27.<o:p></o:p></span></li>
                <li style="margin-left:0in;mso-list:l2 level3 lfo3"><span
                    lang="EN">If <em><span
                        style="font-family:"Calibri",sans-serif">Vgc</span></em>
                    is true and attribute
                    <em><span
                        style="font-family:"Calibri",sans-serif">A</span></em>
                    is a linked attribute, remove value
                    <em><span
                        style="font-family:"Calibri",sans-serif">V</span></em>
                    from attribute <em>
                      <span
                        style="font-family:"Calibri",sans-serif">A</span></em>.
                    This removal is not replicated to any other DCs.<o:p></o:p></span></li>
                <li style="margin-left:0in;mso-list:l2 level3 lfo3"><span
                    lang="EN">If <em><span
                        style="font-family:"Calibri",sans-serif">N</span></em>!name
                    ≠
                    <em><span
                        style="font-family:"Calibri",sans-serif">D</span></em>
                    then replace value
                    <em><span
                        style="font-family:"Calibri",sans-serif">V</span></em>
                    of attribute <em>
                      <span
                        style="font-family:"Calibri",sans-serif">A</span></em>
                    with <em><span
                        style="font-family:"Calibri",sans-serif">N</span></em>!name.
                    This replacement is not replicated to any other DCs.<o:p></o:p></span></li>
                <li style="margin-left:0in;mso-list:l2 level3 lfo3"><span
                    lang="EN">If attribute <em>
                      <span
                        style="font-family:"Calibri",sans-serif">A</span></em>
                    is a </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_659e8352-a6db-4752-8c05-4b21c602f238"
                    moz-do-not-send="true"><span lang="EN">link value</span></a><span
                    lang="EN"> and the
                  </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_22198321-b40b-4c24-b8a2-29e44d9d92b9"
                    moz-do-not-send="true"><span lang="EN">RDN</span></a><span
                    lang="EN"> of
                    <em><span
                        style="font-family:"Calibri",sans-serif">N</span></em>!name
                    is a delete-mangled RDN (see section
                  </span><a
                    href="https://msdn.microsoft.com/en-us/library/cc223480.aspx"
                    moz-do-not-send="true"><span lang="EN">3.1.1.5.5</span></a><span
                    lang="EN">), the value
                    <em><span
                        style="font-family:"Calibri",sans-serif">V</span></em>
                    is to be treated as a linked value to or from a
                  </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_d9c9e99f-74f1-483e-bcb1-310e75ff1344"
                    moz-do-not-send="true"><span lang="EN">deleted-object</span></a><span
                    lang="EN">. That is, the value is not generally
                    visible to
                  </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_45643bfb-b4c4-432c-a10f-b98790063f8d"
                    moz-do-not-send="true"><span lang="EN">LDAP</span></a><span
                    lang="EN"> clients unless the
                    LDAP_SHOW_DEACTIVATED_LINK_OID control is used.<o:p></o:p></span></li>
                <li style="margin-left:0in;mso-list:l2 level3 lfo3"><span
                    lang="EN">If attribute <em>
                      <span
                        style="font-family:"Calibri",sans-serif">A</span></em>
                    is a link value and the RDN of
                    <em><span
                        style="font-family:"Calibri",sans-serif">N</span></em>!name
                    is not a delete-mangled RDN (see section 3.1.1.5.5),
                    the value
                    <em><span
                        style="font-family:"Calibri",sans-serif">V</span></em>
                    is to be treated as a normal linked value. That is,
                    the value is generally visible to LDAP clients.<o:p></o:p></span></li>
              </ul>
            </li>
          </ul>
        </ul>
        <p class="MsoNormal"><b><o:p> </o:p></b></p>
        <p class="MsoNormal"><b>3.1.1.3.3.7           checkPhantoms </b><a
href="https://msdn.microsoft.com/en-us/library/cc223316.aspx"
            moz-do-not-send="true">https://msdn.microsoft.com/en-us/library/cc223316.aspx</a><b><o:p></o:p></b></p>
        <p><span lang="EN">This operation requests that the reference </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_b242435b-73cc-4c4e-95f0-b2a2ff680493"
            moz-do-not-send="true"><span lang="EN">update</span></a><span
            lang="EN"> task (see section
          </span><a
            href="https://msdn.microsoft.com/en-us/library/dd240022.aspx"
            moz-do-not-send="true"><span lang="EN">3.1.1.6.2</span></a><span
            lang="EN">) be immediately performed on the
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_76a05049-3531-4abd-aec8-30e19954b4bd"
            moz-do-not-send="true"><span lang="EN">DC</span></a><span
            lang="EN">. During the operation, if the referential
            integrity on any of the
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_8bb43a65-7a8c-4585-a7ed-23044772f8ca"
            moz-do-not-send="true"><span lang="EN">objects</span></a><span
            lang="EN"> is found to be incorrect and it cannot be
            corrected, then the operation returns an error and does not
            process any of the remaining objects. This task runs
            periodically; on a correctly functioning DC, there is no
            need to run it explicitly. The requester must have the
            "DS-Check-Stale-Phantoms"
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_42f6c9e0-a2b3-4bc3-9b87-fdb902e5505e"
            moz-do-not-send="true"><span lang="EN">control access right</span></a><span
            lang="EN"> on the
          </span><a
            href="https://msdn.microsoft.com/en-us/library/cc221718.aspx"
            moz-do-not-send="true"><span lang="EN">nTDSDSA</span></a><span
            lang="EN"> object for the DC.<o:p></o:p></span></p>
        <p><span lang="EN">No action is taken if the </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_54624800-58f4-45e9-90bf-c9b52dcf98f3"
            moz-do-not-send="true"><span lang="EN">Recycle Bin</span></a>
          <a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_785b66f1-22b3-450f-97aa-a24a39d04d47"
            moz-do-not-send="true">
            <span lang="EN">optional feature</span></a><span lang="EN">
            is not enabled and the operation is performed against a DC
            that does not own the Infrastructure Master FSMO.<o:p></o:p></span></p>
        <p><span lang="EN">No action is taken if the operation is
            performed against a DC that is a global catalog.<o:p></o:p></span></p>
        <p><span lang="EN">The type of modification can be add or
            replace, and the values specified in the
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_45643bfb-b4c4-432c-a10f-b98790063f8d"
            moz-do-not-send="true"><span lang="EN">LDAP</span></a><span
            lang="EN"> modify operation do not matter.<o:p></o:p></span></p>
        <p><span lang="EN">The following shows an LDIF sample that
            performs this operation.<o:p></o:p></span></p>
        <pre style="margin-left:.5in"><span lang="EN"> dn:<o:p></o:p></span></pre>
        <pre style="margin-left:.5in"><span lang="EN"> changetype: modify<o:p></o:p></span></pre>
        <pre style="margin-left:.5in"><span lang="EN"> add: checkPhantoms<o:p></o:p></span></pre>
        <pre style="margin-left:.5in"><span lang="EN"> checkPhantoms: 1<o:p></o:p></span></pre>
        <pre style="margin-left:.5in"><span lang="EN"> -<o:p></o:p></span></pre>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><b>6.1.5.5       Infrastructure FSMO Role</b>
          <a
            href="https://msdn.microsoft.com/en-us/library/cc223753.aspx"
            moz-do-not-send="true">
            https://msdn.microsoft.com/en-us/library/cc223753.aspx</a><o:p></o:p></p>
        <p><span lang="EN">When an </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_8bb43a65-7a8c-4585-a7ed-23044772f8ca"
            moz-do-not-send="true"><span lang="EN">object</span></a><span
            lang="EN"> in one
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_b0276eb2-4e65-4cf1-a718-e0920a614aca"
            moz-do-not-send="true"><span lang="EN">domain</span></a><span
            lang="EN"> is referenced by another object in another
            domain, it represents the reference as a
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_4d5e1f08-aa00-4dde-9411-7dd6e09ed85a"
            moz-do-not-send="true"><span lang="EN">dsname</span></a><span
            lang="EN">. There is one Infrastructure FSMO role per domain
            and
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_53fee475-b07f-45e1-b4b7-c7ac0c1e7f6a"
            moz-do-not-send="true"><span lang="EN">application NC</span></a><span
            lang="EN"> in a
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_49ce3946-04d2-4cc9-9350-ebcd952b9ab9"
            moz-do-not-send="true"><span lang="EN">directory</span></a><span
            lang="EN">.<o:p></o:p></span></p>
        <p><span lang="EN">If all the </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_76a05049-3531-4abd-aec8-30e19954b4bd"
            moz-do-not-send="true"><span lang="EN">domain controllers</span></a><span
            lang="EN"> in a domain also host the GC, then all the domain
            controllers have the current data, and it is not important
            which domain controller owns the Infrastructure Master (IM)
            role. See section
          </span><a
            href="https://msdn.microsoft.com/en-us/library/cc223433.aspx"
            moz-do-not-send="true"><span lang="EN">3.1.1.5</span></a><span
            lang="EN"> for more information about the Infrastructure
            Master.<o:p></o:p></span></p>
        <p><span lang="EN">When the </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_54624800-58f4-45e9-90bf-c9b52dcf98f3"
            moz-do-not-send="true"><span lang="EN">Recycle Bin</span></a>
          <a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_785b66f1-22b3-450f-97aa-a24a39d04d47"
            moz-do-not-send="true">
            <span lang="EN">optional feature</span></a><span lang="EN">
            is not enabled, the Infrastructure FSMO role owner is the DC
            responsible for updating a cross-domain
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_3ca938ae-c14f-4f59-8a7d-daca9f76db4e"
            moz-do-not-send="true"><span lang="EN">object reference</span></a><span
            lang="EN"> in the event that the referenced object is moved,
            renamed, or deleted. In this case, the Infrastructure Master
            role must be held by a domain controller that is not a
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_a5a99ce4-e206-42dc-8874-e103934c5b0d"
            moz-do-not-send="true"><span lang="EN">GC server</span></a><span
            lang="EN">. If the Infrastructure Master runs on a GC
            server, it will not
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_b242435b-73cc-4c4e-95f0-b2a2ff680493"
            moz-do-not-send="true"><span lang="EN">update</span></a><span
            lang="EN"> object information, because it does not contain
            any references to objects that it does not hold. This is
            because a GC server holds a partial </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_ea02e669-2dda-460c-9992-b12a23caeeac"
            moz-do-not-send="true"><span lang="EN">replica</span></a><span
            lang="EN"> of every object in the
          </span><a
href="https://msdn.microsoft.com/en-us/library/cc223126.aspx#gt_fd104241-4fb3-457c-b2c4-e0c18bb20b62"
            moz-do-not-send="true"><span lang="EN">forest</span></a><span
            lang="EN">.<o:p></o:p></span></p>
        <p><span lang="EN">When the Recycle Bin optional feature is
            enabled, every DC is responsible for updating its
            cross-domain object references in the event that the
            referenced object is moved, renamed, or deleted. In this
            case, there are no tasks associated with the Infrastructure
            FSMO role, and it is not important which domain controller
            owns the Infrastructure Master role.<o:p></o:p></span></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><b>[MS-DRSR]<o:p></o:p></b></p>
        <p class="MsoNormal">4.1.10.6.1 ProcessGetNCChangesReply<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div style="mso-element:para-border-div;border:solid white
          3.0pt;padding:4.0pt 6.0pt 5.0pt
          6.0pt;background:white;margin-left:.25in;margin-right:0in">
          <p class="CodeCxSpFirst"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->/*
            Process link value updates. */<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->linkValueCount
            := 0<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->while
            (ulResult = 0) and (linkValueCount <
            msgReplyNative.cNumValues)<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  ulResult
            := ProcessLinkValue(<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->                msgReplyNative.rgValues[linkValueCount],<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->                msgReplyNative.pNC^,<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->                prefixTable,<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->                msgIn.ulFlags,<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->                msgIn.ulMoreFlags)<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  linkValueCount
            := linkValueCount + 1<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->endwhile<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]--><o:p> </o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->if
            (ulResult = ERROR_DS_DRA_MISSING_PARENT) then<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  Send
            IDL_DRSGetNCChanges message again with the same input
            <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->  parameters
            specified in msgIn but this time with msgIn.ulFlags
            <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->  containing
            DRS_GET_ANC field set. It is an error for this
            <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->  condition
            to occur if (DRS_GET_ANC in msgIn.ulFlags) is true<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->else
            if (ulResult = ERROR_DS_DRA_RECYCLED_TARGET) then<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  Send
            IDL_DRSGetNCChanges message again with the same input
            <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->  parameters
            specified in the msgIn but this time with msgIn.ulMoreFlags
            <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->  containing
            DRS_GET_TGT field set.
            <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->else
            if (msgIn.ulExtendedOp = 0) then<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  /*
            Not an extended operation. Update "watermark" information.
            */<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  UpdateRepsFrom(<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->    rf,<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->    msgReplyNative,
            <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->    dsaServer,<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->    ulResult)<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->  if
            (ulResult = 0) and (msgReplyNative.fMoreData = false) then<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->    UpdateUTDandPAS(<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->      msgReplyNative,<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->      msgIn.partialAttrSetEx^)<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  endif<o:p></o:p></p>
          <p class="CodeCxSpLast"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->endif<o:p></o:p></p>
        </div>
        <p class="MsoNormal">4.1.10.6.14                  
          ProcessLinkValue<o:p></o:p></p>
        <p class="MsoNormal">. . .<o:p></o:p></p>
        <div style="mso-element:para-border-div;border:solid white
          3.0pt;padding:4.0pt 6.0pt 5.0pt
          6.0pt;background:white;margin-left:.25in;margin-right:0in">
          <p class="CodeCxSpFirst"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  newAttributeValue
            = ValueFromATTRVAL(<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->      sourcePrefixTable,
            Syntax(attribute), replValInf.pAval)<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  targetObject
            := GetDSNameFromAttrVal( replValinf.attrTyp,
            replValInf.pAval)<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  if
            (targetObject = null)<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->      return
            ERROR_DS_INVALID_ATTRIBUTE_SYNTAX<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  if
            ((IsRecycleBinEnabled() and targetObject!isRecycled) or<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->      (not
            IsRecycleBinEnabled() and targetObject!isDeleted)) then<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->     if
            (DRS_GET_TGT in ulMoreFlags) then
            <o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->        /*
            nothing to do */<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->        return
            0<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->     else<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->        return
            ERROR_DS_DRA_RECYCLED_TARGET<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span
              style="background:yellow;mso-highlight:yellow"><span
                style="mso-list:Ignore"><span style="font:7.0pt
                  "Times New Roman""></span></span></span><!--[endif]--><span
              style="background:yellow;mso-highlight:yellow">     endif<o:p></o:p></span></p>
          <p class="CodeCxSpLast"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  endif<o:p></o:p></p>
        </div>
        <p class="Code-List" style="text-indent:0in;mso-list:l1 level2
          lfo1">if (not attributeValue = null) then<o:p></o:p></p>
        <div style="mso-element:para-border-div;border:solid white
          3.0pt;padding:4.0pt 6.0pt 5.0pt
          6.0pt;background:white;margin-left:.25in;margin-right:0in">
          <p class="CodeCxSpFirst"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->    /*
            Remove the old attribute value. */<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->    RemoveAttrVal(updateObject,
            attribute, attributeValue)<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  endif<o:p></o:p></p>
          <p class="CodeCxSpMiddle"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]--><o:p> </o:p></p>
          <p class="CodeCxSpLast"
            style="margin-left:.7pt;mso-add-space:auto;mso-list:l1
            level1 lfo4;background:white;border:none;padding:0in">
            <!--[if !supportLists]--><span style="mso-list:Ignore"><span
                style="font:7.0pt "Times New Roman""></span></span><!--[endif]-->  SetAttrVal(updateObject,
            attribute, newAttributeValue) 
            <o:p></o:p></p>
        </div>
        <p class="Code-List" style="text-indent:0in;mso-list:l1 level2
          lfo1">. . .<o:p></o:p></p>
        <p>Thanks,<o:p></o:p></p>
        <p>Edgar<o:p></o:p></p>
        <p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span
                style="color:windowtext"> Tim Beale
                [<a class="moz-txt-link-freetext" href="mailto:timbeale@catalyst.net.nz">mailto:timbeale@catalyst.net.nz</a>]
                <br>
                <b>Sent:</b> Sunday, July 9, 2017 4:44 PM<br>
                <b>To:</b> Edgar Olougouna <a class="moz-txt-link-rfc2396E" href="mailto:edgaro@microsoft.com"><edgaro@microsoft.com></a>;
                '<a class="moz-txt-link-abbreviated" href="mailto:abartlet@samba.org">abartlet@samba.org</a>' <a class="moz-txt-link-rfc2396E" href="mailto:abartlet@samba.org"><abartlet@samba.org></a><br>
                <b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:cifs-protocol@lists.samba.org">cifs-protocol@lists.samba.org</a>; MSSolve Case
                Email <a class="moz-txt-link-rfc2396E" href="mailto:casemail@microsoft.com"><casemail@microsoft.com></a><br>
                <b>Subject:</b> Re: [cifs-protocol] [REG:
                117070616001855] [MS-DRSR] Calling GetNCChanges with
                DRS_GET_TGT flag<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p>Hi Edgar,<br>
          <br>
          >> Request more detail in case of cross-partition target<o:p></o:p></p>
        <p>We understand that it requires implementation-specific
          behaviour to resolve an unknown target object when the linked
          attribute spans partitions. This was answered for us in
          117060115827644.<o:p></o:p></p>
        <p>>> Target object is only recycled, as opposed to
          Target-object is unknown<br>
          >> (linked-attribute and you don't know the target, you
          send DRS_GET_TGT)<o:p></o:p></p>
        <p>This is what I'm confused about. I inferred from the MS_DRSR
          Docs that the client uses DRS_GET_TGT if it receives a linked
          attribute with an unknown target object. However, the answers
          we received for 117060815865307 seemed to imply that
          DRS_GET_TGT is only used if the target object is
          deleted/recycled (as opposed to simply being a new/unknown
          object). Could you please clarify this - should the client use
          it in either case, or is it only the deleted/recycled case
          where the flag is actually required?<o:p></o:p></p>
        <p>>> Implementation-specific statement regarding client
          using DRS_GET_TGT <o:p></o:p></p>
        <p>Basically it's the following block of code in 4.1.10.6.14
          ProcessLinkValue() that I find confusing/misleading.<o:p></o:p></p>
        <p>targetObject = GetDSNameFromAttrVal( replValinf.attrTyp,
          replValInf.pAval)<br>
          if ((IsRecycleBinEnabled() and targetObject!isRecycled) or<br>
              (not IsRecycleBinEnabled() and targetObject!isDeleted))
          then<br>
              if (DRS_GET_TGT in ulMoreFlags) then<br>
                  /* nothing to do */<br>
                  return 0<br>
              else<br>
                  return ERROR_DS_DRA_RECYCLED_TARGET<br>
          endif<o:p></o:p></p>
        <p>I don't think the proposed Docs change for 117060815865307
          makes this any easier to understand. Documentation-wise, I
          think there's room for the following minor improvements:<o:p></o:p></p>
        <p>1. Section 3.4.5 describes the ! notation. However, I
          couldn't see anything that describes what happens if the
          object specified by the DN doesn't exist. I would assume the
          attribute returned would be null.<br>
          2. If the target object doesn't exist, the current code looks
          like the 4.1.10.6.14 block will fall through and add a hanging
          link to an unknown object. Is that the intended behaviour? A
          comment stating that would be nice.<br>
          3. If there is other implementation-specific behaviour in the
          4.1.10.6.14 block, then a comment stating "The actual
          behaviour here may be implementation-specific" would be nice.<br>
          4. I also just noticed the above block is missing an endif.<o:p></o:p></p>
        <p>Thanks for your help,<o:p></o:p></p>
        <p>Tim<o:p></o:p></p>
        <div>
          <p class="MsoNormal">On 07/07/17 04:51, Edgar Olougouna via
            cifs-protocol wrote:<o:p></o:p></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <p class="MsoNormal">Please provide any additional write-up as
            necessary. We will review this and follow-up.<o:p></o:p></p>
          <p class="MsoNormal"> <o:p></o:p></p>
          <p class="MsoNormal">Implementation-specific statement
            regarding client using DRS_GET_TGT
            <o:p></o:p></p>
          <p class="MsoNormal">Request more detail in case of
            cross-partition target<o:p></o:p></p>
          <p class="MsoNormal">Target object is only recycled, as
            opposed to Target-object is unknown
            <o:p></o:p></p>
          <p class="MsoNormal">(linked-attribute and you don't know the
            target, you send DRS_GET_TGT)<o:p></o:p></p>
          <p class="MsoNormal"> <o:p></o:p></p>
          <p class="MsoNormal">Thanks,<o:p></o:p></p>
          <p class="MsoNormal">Edgar<o:p></o:p></p>
          <p class="MsoNormal"><br>
            <br>
            <br>
            <o:p></o:p></p>
          <pre>_______________________________________________<o:p></o:p></pre>
          <pre>cifs-protocol mailing list<o:p></o:p></pre>
          <pre><a href="mailto:cifs-protocol@lists.samba.org" moz-do-not-send="true">cifs-protocol@lists.samba.org</a><o:p></o:p></pre>
          <pre><a href="https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.samba.org%2Fmailman%2Flistinfo%2Fcifs-protocol&data=02%7C01%7Cedgaro%40microsoft.com%7C5f4eebde07da4724ff5a08d4c7139b92%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636352334412827688&sdata=Ef66txw485K2nCi3tm%2FF60ZWF4Wyds3h0qCmyAOEPJc%3D&reserved=0" moz-do-not-send="true">https://lists.samba.org/mailman/listinfo/cifs-protocol</a><o:p></o:p></pre>
        </blockquote>
        <p class="MsoNormal"><o:p> </o:p></p>
      </div>
    </blockquote>
    <br>
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